Your Python app is humming along — until one worker suddenly dies with a SIGABRT or a mysterious “corrupted double-linked list”.

  • 🤯 Logs don’t help.
  • 🔍 It only happens in production.
  • 💥 It crashes deep in a C extension.

In this short guide, I walk through:

  • How to rebuild Python with debugging enabled
  • How to catch memory corruption using gdb
  • What to do if Pillow, OpenCV or some other lib is to blame
  • Practical workarounds to keep your system running

If you've ever seen Python just vanish, this one's for you.
👉 Read it here https://medium.com/pythoneers/c-level-error-in-python-2025-a-practical-guide-to-solving-it-6915ca2e7c68